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Draught Technologies - ITEM # 4019

Probe Seal For US Sankey Coupler

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  • Buy 12 for $1.99 each and save 32%
  • Buy 24 for $1.99 each and save 32%

In stock and ready to ship.

If the probe seal on your US Sankey coupler is not up to snuff, replace it with one of these brand new Sankey parts.


    Over time, small beer tap parts can become worn or damaged and you can be sure that they’ll affect your flow, or cause leaks

    If the bottom probe seal on your US Sankey keg coupler (also known as a D system coupler) is cracked or broken, replace it with one of these brand new rubber probe seals and in no time your system will be pouring as good as new.

    If you’re someone who goes through a lot of kegs or likes to switch up the beers you serve, it’s a good idea to keep extra keg coupler parts like these on hand.

    • Custom made to fit US Sankey couplers only
    • Made of rubber
    • Can fix leaks or help with flow problems in your system

    Free Expert Support


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    • Top Diameter: 13/16"
    • Bottom Diameter: 7/8"
    • Height: 7/32"
    WARNING: This product contains a chemical(s) which is known to the state of California to cause cancer or birth defects or other reproductive harm. For more information go to
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    Customer Reviews
    4.0 / 5.0
    1 Review
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    Would you recommend this product?
    Yes! I would recommend this product. (1)
    Would you recommend this product?
    Yes! I would recommend this product.
    4 / 5
    3 / 5
    They work, not 100% perfect but will do the job
    August 29, 2018
    Auburn, CA, US
    1 year ago
    Questions & Answers
    Start typing your question and we'll check if it was already asked and answered. Learn More
    Browse 2 questions Browse 2 questions and 49 answers
    Why did you choose this?
    Kegworks Store
    Cause my beer won't pour without it
    Rickey R on Jan 13, 2020
    Repairing Sankey Coupler - required part
    David C on Nov 12, 2019
    Cause my beer won't pour without it
    Rickey R on Jan 13, 2020
    Great seal for those pesky taps that just won't stop foaming up.
    sheree C on Dec 30, 2019
    Repairing Sankey Coupler - required part
    David C on Nov 12, 2019
    Easy to get
    David C on Oct 23, 2019
    I've been getting significant foam on my current keg and see that that the seal is very worn.
    Brian O on Jun 12, 2019
    Routine Maintenance replacement
    Timothy P on Mar 30, 2019
    Victor H on Dec 18, 2018
    The keg was leaking. Talked to a very informative gentleman on the phone who was quite helpful. Appreciate him answering all my questions since I am new to this whole Kegerator thing. I will be a returning customer. Thank you.
    Kevin K on Dec 3, 2018
    To replace a worn part.
    eomr on Nov 26, 2018
    need to update
    victor p on Nov 5, 2018
    My previous coupler stuck to the empty barrel of beer that I had returned to the store. Thank goodness I had a back-up on hand and now need a couple of backups if I am ever negligent again.
    ALLEN S on Aug 18, 2018
    no leaks
    Paul L on Jun 30, 2018
    My used kegerator came with a worn out D coupler. Saving money by replacing the rubber.
    apackard68 on Jun 8, 2018
    tom o on May 9, 2018
    After a couple months this part should be replaced. especially if the system has sat for a while unused and no cleaned.
    Travis on Apr 28, 2018
    It is the right fit for my keg and the last time I needed some, I received the item within a few days.
    David G on Mar 16, 2018
    This is an easy item to lose when I'm switching kegs. Gotta have a spare.
    glen k on Jan 12, 2018
    Sent email to KegWorks asking what I needed for my Octopuss Tap and this was what they recommended.
    William W on Nov 22, 2017
    to replace broken seal on our kegerator
    JoAnn B on Nov 2, 2017
    CO 2 leak
    Bernie R on Oct 18, 2017
    I have had problems in the past with not being able to seal the kegs and found this little bugger to be the problem!!!!!!
    AL on Aug 11, 2017
    maintenance parts
    John B on Aug 2, 2017
    My old one is hard as a rock and no longer seals costing me all of my CO2.
    Brent B on Jun 30, 2017
    VintageMike on Jun 12, 2017
    RANDY N on May 26, 2017
    Seal was missing after changing kegs. All foam coming from tap.
    Richard A on May 22, 2017
    just used my last spare.
    Richard D on Apr 24, 2017
    have old keg coupler
    sean m on Apr 5, 2017
    My existing seal cracked, so I was in dire need. A friend of mine told me what to look for and recommended your site to me.
    Tom C on Mar 16, 2017
    I will try these items according your info to check if they work for my equipment.<br />This is the first time that I bought from this company
    Jose R on Nov 2, 2016
    Lost the original
    Dan S on Oct 31, 2016
    I broke it
    Michael M on Oct 17, 2016
    My coupler leaks and I hope this fixes it.
    ted h on Aug 6, 2016
    Cheapest price online and couldn't buy from local distributor.
    Rebecca L on Aug 1, 2016
    repair old snkey
    David C on Jun 15, 2016
    Snaky is getting old but a new seal will keep it working trouble free for years to come
    Jeff on Jun 7, 2016
    to rebuild my coupler
    christian m on Jun 6, 2016
    needed one
    Matt S on May 31, 2016
    Recommended by salesperson
    Brad B on Mar 22, 2016
    Easy to find on your site
    Eric F on Feb 24, 2016
    fits US Sankey coupler
    doug on Feb 4, 2016
    Our keg is leaking CO2 gas from the seal around the keg connection and coupler.
    Courtney M on Dec 11, 2015
    seal between tower & keg sleazing, lost all CO2.
    Me on Dec 7, 2015
    Foamy beer
    Chad L on Dec 2, 2015
    need to fix a leak
    anthony seiter s on Nov 11, 2015
    Need to fix a leaky sankey tap. I bought enough to last a while for future use.
    Roy H on Nov 9, 2015
    Looking to upgrade and use my old coupler as a spare.
    sock m on Nov 1, 2015
    Avoid leaks. Always get tight, complete coupling of keg.
    Bach Benefits Group on Sep 30, 2015
    Great seal for those pesky taps that just won't stop foaming up.
    sheree C on Dec 30, 2019
    Easy to get
    David C on Oct 23, 2019
    Could you tell me the dimensions of item # 4019 ?
    A shopper on Jul 24, 2017
    BEST ANSWER: This seal is tapered. The top diameter is 3/16", the bottom diameter is 7/8", and it measures 7/32" thick.
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    About Backorders

    This item is currently out of stock but we're expecting more soon.

    For an estimated ship date, please contact Customer Care at 877.636.3673 or email

    Click here for additional shipping information.